Trail Ridge (U.S. 34): This road through Rocky Mountain National Park is the highest continuous auto road in the country. Itâs truly an all-American icon â the road itself is listed on the National Register of Historic Places.
Lumber Dimensions. 2x4s are not actually 2 inches by 4 inches. When the board is first rough sawn from the log, it is a true 2x4, but the drying process and planing of the board reduce it to the finished 1.5x3.5 size. Here are the common sizes of lumber, and their actual sizes.
Lumber. 1  Construction Lumber 2x4 - #2 grade. 2x6 - #2 grade. 2  Precuts 2x4x92 5/8 âpremium. 2x6x104 5/8 â premium. 3  Treated Lumber 2x4 - #1 grade. 2x6 - #1 grade (treated for ground contact) 2X8 - #2 grade.  Clear & Better 1x4 â white pine. 1x8 â white 1  pine. Red Oak 1x2. 2  1x3. Deck Boards 5/4x6 -.